Medium severity6.5NVD Advisory· Published Jul 9, 2021· Updated Jun 17, 2026
CVE-2021-3541
CVE-2021-3541
Description
A flaw was found in libxml2. Exponential entity expansion attack its possible bypassing all existing protection mechanisms and leading to denial of service.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
75- cpe:2.3:a:redhat:jboss_core_services:-:*:*:*:*:*:*:*
- cpe:2.3:a:oracle:zfs_storage_appliance_kit:8.8:*:*:*:*:*:*:*
- cpe:2.3:a:netapp:active_iq_unified_manager:-:*:*:*:*:vmware_vsphere:*:*
- cpe:2.3:a:netapp:cloud_backup:-:*:*:*:*:*:*:*
- cpe:2.3:a:netapp:clustered_data_ontap:-:*:*:*:*:*:*:*
- cpe:2.3:a:netapp:clustered_data_ontap_antivirus_connector:-:*:*:*:*:*:*:*
- cpe:2.3:a:netapp:manageability_software_development_kit:-:*:*:*:*:*:*:*
- cpe:2.3:a:netapp:ontap_select_deploy_administration_utility:-:*:*:*:*:*:*:*
- cpe:2.3:a:netapp:smi-s_provider:-:*:*:*:*:*:*:*
- cpe:2.3:o:netapp:h410c_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:netapp:h300s_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:netapp:h500s_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:netapp:h700s_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:netapp:h300e_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:netapp:h500e_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:netapp:h700e_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:netapp:h410s_firmware:-:*:*:*:*:*:*:*
- libxml2/libxml2description
- osv-coords54 versionspkg:rpm/suse/python-libxml2-python&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP2-LTSSpkg:rpm/suse/python-libxml2-python&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2015%20SP3pkg:rpm/suse/libxml2&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP3-LTSSpkg:rpm/suse/python-libxml2-python&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP3-LTSSpkg:rpm/suse/python-libxml2-python&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP3pkg:rpm/suse/libxml2&distro=SUSE%20Manager%20Proxy%204.2pkg:rpm/suse/python-libxml2-python&distro=SUSE%20Linux%20Enterprise%20Micro%205.2pkg:rpm/suse/libxml2&distro=SUSE%20Enterprise%20Storage%207.1pkg:rpm/opensuse/python-libxml2-python&distro=openSUSE%20Leap%2015.4pkg:rpm/suse/python-libxml2-python&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP3pkg:rpm/suse/python-libxml2-python&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Python%202%2015%20SP3pkg:rpm/suse/libxml2&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP5pkg:rpm/suse/libxml2&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5pkg:rpm/suse/python-libxml2&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5pkg:rpm/suse/libxml2&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5pkg:rpm/suse/python-libxml2&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5pkg:rpm/suse/libxml2&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-LTSSpkg:rpm/suse/python-libxml2-python&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-LTSSpkg:rpm/suse/libxml2&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP2-LTSSpkg:rpm/suse/python-libxml2-python&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP2pkg:rpm/suse/libxml2&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP3pkg:rpm/suse/libxml2&distro=SUSE%20Linux%20Enterprise%20Micro%205.2pkg:rpm/suse/libxml2&distro=SUSE%20Enterprise%20Storage%207pkg:rpm/suse/python-libxml2-python&distro=SUSE%20Enterprise%20Storage%207pkg:rpm/suse/python-libxml2-python&distro=SUSE%20Enterprise%20Storage%207.1pkg:rpm/suse/libxml2&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP3-ESPOSpkg:rpm/suse/python-libxml2-python&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP3-ESPOSpkg:rpm/suse/libxml2&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP3-LTSSpkg:rpm/suse/python-libxml2-python&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP3-LTSSpkg:rpm/suse/libxml2&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2015%20SP3pkg:rpm/suse/python-libxml2-python&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP1-LTSSpkg:rpm/suse/libxml2&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP2-LTSSpkg:rpm/suse/libxml2&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP1pkg:rpm/suse/python-libxml2-python&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP1pkg:rpm/suse/libxml2&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP2pkg:rpm/suse/python-libxml2-python&distro=SUSE%20Manager%20Proxy%204.2pkg:rpm/suse/python-libxml2-python&distro=SUSE%20Manager%20Server%204.2pkg:rpm/suse/libxml2&distro=SUSE%20Linux%20Enterprise%20Micro%205.1pkg:rpm/opensuse/python-libxml2-python&distro=openSUSE%20Leap%2015.2pkg:rpm/opensuse/ruby3.2-rubygem-nokogiri&distro=openSUSE%20Tumbleweedpkg:rpm/almalinux/libxml2-develpkg:rpm/suse/python-libxml2-python&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP2pkg:rpm/suse/python-libxml2-python&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Python%202%2015%20SP2pkg:rpm/suse/libxml2&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP2pkg:rpm/suse/libxml2&distro=SUSE%20Linux%20Enterprise%20Micro%205.0pkg:rpm/suse/libxml2&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP1-LTSSpkg:rpm/suse/python-libxml2-python&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP2-LTSSpkg:rpm/suse/libxml2&distro=SUSE%20Manager%20Server%204.2pkg:rpm/suse/libxml2&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP3pkg:rpm/opensuse/libxml2&distro=openSUSE%20Leap%2015.2pkg:rpm/opensuse/libxml2&distro=openSUSE%20Leap%2015.3pkg:rpm/opensuse/python-libxml2-python&distro=openSUSE%20Leap%2015.3pkg:rpm/opensuse/libxml2&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/rubygem-nokogiri&distro=openSUSE%20Tumbleweed
< 2.9.7-150000.3.57.1+ 53 more
- (no CPE)range: < 2.9.7-150000.3.57.1
- (no CPE)range: < 2.9.7-150000.3.57.1
- (no CPE)range: < 2.9.7-150000.3.57.1
- (no CPE)range: < 2.9.7-150000.3.57.1
- (no CPE)range: < 2.9.7-150000.3.57.1
- (no CPE)range: < 2.9.7-150000.3.57.1
- (no CPE)range: < 2.9.7-150000.3.57.1
- (no CPE)range: < 2.9.7-150000.3.57.1
- (no CPE)range: < 2.9.7-150000.3.57.1
- (no CPE)range: < 2.9.7-3.37.1
- (no CPE)range: < 2.9.7-3.37.1
- (no CPE)range: < 2.9.4-46.46.1
- (no CPE)range: < 2.9.4-46.46.1
- (no CPE)range: < 2.9.4-46.46.1
- (no CPE)range: < 2.9.4-46.46.1
- (no CPE)range: < 2.9.4-46.46.1
- (no CPE)range: < 2.9.7-150000.3.57.1
- (no CPE)range: < 2.9.7-150000.3.57.1
- (no CPE)range: < 2.9.7-150000.3.57.1
- (no CPE)range: < 2.9.7-150000.3.57.1
- (no CPE)range: < 2.9.7-150000.3.57.1
- (no CPE)range: < 2.9.7-150000.3.57.1
- (no CPE)range: < 2.9.7-150000.3.57.1
- (no CPE)range: < 2.9.7-150000.3.57.1
- (no CPE)range: < 2.9.7-150000.3.57.1
- (no CPE)range: < 2.9.7-150000.3.57.1
- (no CPE)range: < 2.9.7-150000.3.57.1
- (no CPE)range: < 2.9.7-150000.3.57.1
- (no CPE)range: < 2.9.7-150000.3.57.1
- (no CPE)range: < 2.9.7-150000.3.57.1
- (no CPE)range: < 2.9.7-150000.3.57.1
- (no CPE)range: < 2.9.7-150000.3.57.1
- (no CPE)range: < 2.9.7-150000.3.57.1
- (no CPE)range: < 2.9.7-150000.3.57.1
- (no CPE)range: < 2.9.7-150000.3.57.1
- (no CPE)range: < 2.9.7-150000.3.57.1
- (no CPE)range: < 2.9.7-150000.3.57.1
- (no CPE)range: < 2.9.7-150000.3.57.1
- (no CPE)range: < 2.9.7-lp152.10.15.1
- (no CPE)range: < 1.13.9-1.7
- (no CPE)range: < 2.9.7-9.el8_4.2
- (no CPE)range: < 2.9.7-3.37.1
- (no CPE)range: < 2.9.7-3.37.1
- (no CPE)range: < 2.9.7-3.37.1
- (no CPE)range: < 2.9.7-3.37.1
- (no CPE)range: < 2.9.7-150000.3.57.1
- (no CPE)range: < 2.9.7-150000.3.57.1
- (no CPE)range: < 2.9.7-150000.3.57.1
- (no CPE)range: < 2.9.7-3.37.1
- (no CPE)range: < 2.9.7-lp152.10.15.1
- (no CPE)range: < 2.9.7-3.37.1
- (no CPE)range: < 2.9.7-3.37.1
- (no CPE)range: < 2.9.12-1.2
- (no CPE)range: < 1.13.3-1.1
Patches
Vulnerability mechanics
References
3- bugzilla.redhat.com/show_bug.cginvdIssue TrackingPatchThird Party Advisory
- www.oracle.com/security-alerts/cpujan2022.htmlnvdPatchThird Party Advisory
- security.netapp.com/advisory/ntap-20210805-0007/nvdThird Party Advisory
News mentions
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